Answer With A Single
Codec
Enable/Disable the function when call is incoming,
phone replies SIP message with just one codec which
phone supports.
Auto TCP
Set to use automatically TCP protocol to guarantee
usability of transport as message is above 1300 byte
Enable Strict Proxy
Support the special SIP server-when phone receives the
packets sent from server
,
phone will use the source IP
address, not the address in via field.
Enable GRUU
Set to support GRUU
Enable Display name
Quote
Set to make quotation mark to display name as the
phone sends out signal, in order to be compatible with
server.
Enable user=phone
Enable user=phone by selecting it, it is contained in the
invite sip message, in order to be compatible with
server
Enable Missed Call Log
Enable the missed call log by it, the phone will save the
missed call log into the call history record and display
the missed calls on the idle screen, or won’t save the
missed call log into the call history record and display
the missed calls on the idle screen.
Click to talk
Set click to Talk (need practical software support).
Enable BLF List
Enable BLF List by selecting it, BLF list is a function
which can monitor the group status, it is not one to one
monitoring, but the information feedback from the
sever to decide which BLF list will monitor
BLF List Number
Specify the BLF List Number
SIP Global Settings
Strict Branch
Enable the Strict Branch, the value of the branch must
be in the beginning of z9hG4k in via field of the invite
sip message received, or the phone won’t response to
the invite sip message.
Notice: the deployment will become effective in all sip
lines
Enable Group
Enable Group by selecting it, then the phone enable the
sip group backup function
Notice: the deployment will become effective in all sip
lines
Registration Failure
Retry Time
Specify the registration failure retry time, if the phone
register failed, the phone will register again after
registration failure retry time.